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A006136 T(n+3,3) from table A045912 of characteristic polynomial of negative Pascal matrix.
(Formerly M5206)
+0
4
1, 29, 626, 13869, 347020, 9952274, 321541977, 11416400590, 435869304863, 17605464402686, 743624059688891, 32572923621373010, 1470621027107356485, 68120063089374617281, 3225635202844511176442, 155695310201341829770911 (list; graph; listen)
OFFSET

0,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

W. F. Lunnon, The Pascal matrix, Fib. Quart. vol. 15 (1977) pp. 201-204.

PROGRAM

(PARI) a(n)=if(n<0, 0, polcoeff(charpoly(matrix(n+3, n+3, i, j, -binomial(i+j-2, i-1))), 3))

CROSSREFS

Cf. A045912, A006134, A006135.

Sequence in context: A142521 A032630 A014929 this_sequence A072080 A063044 A062560

Adjacent sequences: A006133 A006134 A006135 this_sequence A006137 A006138 A006139

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

Edited by Michael Somos, Jul 19 2002

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.


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